2.1.6

Fix 7i97(T) PID output to PWM
Add missing 7i97 pwmgen enable
Fix load ini smart serial items
Fix smart serial I/O HAL
Fix 7i97 I/O HAL
Remove python3-packaging dependency
Fix pwmgen for hal
Warn when verify board before reloading
Fix 7i96S daughter card port numbering
Fix 7i96s + 7i77 I/O port number